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TencentCloudBase CloudBase-MCP CVE-2026-7221

| EUVD-2026-25978 MEDIUM
Server-Side Request Forgery (SSRF) (CWE-918)
2026-04-28 VulDB
5.5
CVSS 4.0
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CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

9
CVSS changed
Apr 29, 2026 - 01:12 NVD
6.9 (MEDIUM) 5.5 (MEDIUM)
PoC Detected
Apr 29, 2026 - 01:00 vuln.today
Public exploit code
Analysis Generated
Apr 28, 2026 - 04:30 vuln.today
Severity Changed
Apr 28, 2026 - 04:22 NVD
HIGH MEDIUM
CVSS changed
Apr 28, 2026 - 04:22 NVD
7.3 (HIGH) 6.9 (MEDIUM)
EUVD ID Assigned
Apr 28, 2026 - 04:15 euvd
EUVD-2026-25978
Analysis Generated
Apr 28, 2026 - 04:15 vuln.today
Patch released
Apr 28, 2026 - 04:15 nvd
Patch available
CVE Published
Apr 28, 2026 - 03:30 nvd
MEDIUM 5.5

DescriptionNVD

A vulnerability was found in TencentCloudBase CloudBase-MCP up to 2.17.0. Affected is the function openUrl of the file mcp/src/interactive-server.ts of the component open-url API Endpoint. The manipulation of the argument req.body.url results in server-side request forgery. It is possible to launch the attack remotely. The exploit has been made public and could be used. Upgrading to version 2.17.1 is able to address this issue. The patch is identified as 3f678a1e7bd400cd76469d61024097d4920dc6b5. It is recommended to upgrade the affected component.

AnalysisAI

Server-side request forgery (SSRF) in TencentCloudBase CloudBase-MCP through version 2.17.0 allows remote unauthenticated attackers to manipulate the open-url API endpoint by injecting arbitrary URLs via the req.body.url parameter, enabling attackers to make unauthorized requests from the server to internal or external resources. The vulnerability has publicly available exploit code and affects the openUrl function in mcp/src/interactive-server.ts. …

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CVE-2026-7221 vulnerability details – vuln.today

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